We found 18 dictionaries that define the word sero:

General (12 matching dictionaries)

1. sero-: Merriam-Webster
2. sero-: Oxford Learner's Dictionaries
3. sero-: American Heritage Dictionary of the English Language
4. sero-, sero-: Collins English Dictionary
5. Sero, sero: Wordnik
6. sero-: Wiktionary
7. sero-: Webster's New World College Dictionary, 4th Ed.
8. sero-: Infoplease Dictionary
9. SERO, sero-: Dictionary.com
10. Sero: Rhymezone
11. sero, sero-: MyWord.info
12. sero-: TheFreeDictionary.com

Art (1 matching dictionary)

13. sero-: A Cross Reference of Latin and Greek Elements

Medicine (2 matching dictionaries)

14. online medical dictionary (No longer online)
15. sero-: Medical dictionary

Miscellaneous (2 matching dictionaries)

16. SERO: Acronym Finder
17. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

18. SERO: Urban Dictionary

Definitions from WordNet (Sero) ▸ name:  A surname (very rare: popularity rank in the U.S.: #42133) Types: synovial, cerebrospinal, pleural, pericardial, peritoneal, meningeal, more... Phrases: sero in, more... ▸ Words similar to sero ▸ Usage examples for sero ▸ Idioms related to sero ▸ Wikipedia articles (New!) ▸ Words that often appear near sero ▸ Rhymes of sero ▸ Invented words related to sero